Microsoft Research contributes to F# through the language design and Try F#.

F# is open source under an OSI-approved license (Apache 2.0) and is available across multiple platforms through the F# Software Foundation. You can contribute to F# in many ways, including through that organization.

Microsoft make free Visual F# Tools for Visual Studio and these tools are also included in Visual Studio Professional and Ultimate. This makes F# one of the few languages with both a strong open source community and a supported, professional product from Microsoft.

F# originated at Microsoft Research, Cambridge. The Microsoft Research team continues to partner with teams across Microsoft and with external open-source organizations, researchers, companies and users to break new ground in programming language systems, including F#. Microsoft Research staff continue to contribute to F#, its ecosystem and research based around F#.